Income Tax Provision - Additional Information (Detail) (USD $)	3 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Mar. 31, 2014
Tax Credit Carryforward [Line Items]
Statutory tax rate	39.60%	39.60%
Current tax benefit or provision	$ 0	$ 0
Income taxes paid	0	0
Valuation allowance against net deferred tax assets	40,900,000		30,300,000
Net operating loss carryforwards	83,900,000
Deferred tax asset	106,526,000
Capital Loss Carryforwards [Member]
Tax Credit Carryforward [Line Items]
Capital losses for tax purposes	$ 185,100,000